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85 lines
3.6 KiB
Plaintext
85 lines
3.6 KiB
Plaintext
#!rsc by RouterOS
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# RouterOS script: netwatch-notify
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# Copyright (c) 2020 Christian Hesse <mail@eworm.de>
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# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
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#
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# monitor netwatch and send notifications
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# https://git.eworm.de/cgit/routeros-scripts/about/doc/netwatch-notify.md
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:global NetwatchNotify;
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:global IfThenElse;
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:global LogPrintExit;
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:global ParseKeyValueStore;
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:global SendNotification;
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:global SymbolForNotification;
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:if ([ :typeof $NetwatchNotify ] = "nothing") do={
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:set NetwatchNotify [ :toarray "" ];
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}
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:foreach Host in=[ / tool netwatch find where comment~"^notify," disabled=no ] do={
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:local HostVal [ / tool netwatch get $Host ];
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:local HostInfo [ $ParseKeyValueStore ($HostVal->"comment") ];
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:local HostName ($HostInfo->"hostname");
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:local Metric { "count"=0; "notified"=false };
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:if ([ :typeof ($NetwatchNotify->$HostName) ] = "array") do={
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:set $Metric ($NetwatchNotify->$HostName);
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}
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:if ($HostVal->"status" = "up") do={
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$LogPrintExit debug ("Host " . $HostName . " (" . $HostVal->"host" . ") is up.") false;
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:local Count ($Metric->"count");
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:set ($Metric->"count") 0;
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:if ($Metric->"notified" = true) do={
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$SendNotification ([ $SymbolForNotification "white-heavy-check-mark" ] . "Netwatch Notify: " . $HostName . " up") \
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("Host " . $HostName . " (" . $HostVal->"host" . ") is up since " . $HostVal->"since" . ".\n" . \
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"It was down for " . $Count . " checks since " . ($Metric->"since") . ".");
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:if ([ :typeof ($HostInfo->"up-hook") ] = "str") do={
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$LogPrintExit info ("Running hook on host " . $HostName . " up: " . ($HostInfo->"up-hook")) false;
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[ :parse ($HostInfo->"up-hook") ];
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}
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}
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:set ($Metric->"notified") false;
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:set ($Metric->"parent") ($HostInfo->"parent");
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:set ($Metric->"since");
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} else={
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:set ($Metric->"count") ($Metric->"count" + 1);
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:set ($Metric->"parent") ($HostInfo->"parent");
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:set ($Metric->"since") ($HostVal->"since");
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:local Count [ $IfThenElse ([ :tonum ($HostInfo->"count") ] > 0) ($HostInfo->"count") 5 ];
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:local Parent ($HostInfo->"parent");
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:while ([ :len $Parent ] > 0) do={
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:set Count ($Count + 1);
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:set Parent ($NetwatchNotify->$Parent->"parent");
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}
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:set Parent ($HostInfo->"parent");
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:local ParentNotified false;
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:while ($ParentNotified = false && [ :len $Parent ] > 0) do={
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:set ParentNotified [ $IfThenElse (($NetwatchNotify->$Parent->"notified") = true) true false ];
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:if ($ParentNotified = false) do={
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:set Parent ($NetwatchNotify->$Parent->"parent");
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}
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}
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$LogPrintExit info ("Host " . $HostName . " (" . $HostVal->"host" . ") is down for " . \
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$Metric->"count" . " checks, " . [ $IfThenElse ($ParentNotified = false) [ $IfThenElse \
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($Metric->"notified" = true) ("already notified.") ($Count - $Metric->"count" . " to go.") ] \
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("parent host " . $Parent . " is down.") ]) false;
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:if ($ParentNotified = false && $Metric->"count" >= $Count && $Metric->"notified" != true) do={
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$SendNotification ([ $SymbolForNotification "cross-mark" ] . "Netwatch Notify: " . $HostName . " down") \
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("Host " . $HostName . " (" . $HostVal->"host" . ") is down since " . $HostVal->"since" . ".");
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:set ($Metric->"notified") true;
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:if ([ :typeof ($HostInfo->"down-hook") ] = "str") do={
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$LogPrintExit info ("Running hook on host " . $HostName . " down: " . ($HostInfo->"down-hook")) false;
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[ :parse ($HostInfo->"down-hook") ];
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}
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}
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}
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:set ($NetwatchNotify->$HostName) {
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"count"=($Metric->"count");
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"notified"=($Metric->"notified");
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"parent"=($Metric->"parent");
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"since"=($Metric->"since") };
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}
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